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R/C Helicopter Primer
Helicopters have very little inherent aerodynamics, as do the fixed wing airplanes. They basically fly by beating themselves into the air.
At this time in aviation development, beating themselves into the air seems to be the only way to efficiently hover an aircraft or to be able to land on one spot. This is true of model helicopters as well as their full size counterparts.
There are two basic types of model helicopters available: fixed pitch and collective pitch.
Fixed Pitch helicopters have the main rotor blades set at a fixed pitch (angle) and generate lift by the rotor speed. The faster the rotor speed, the higher the helicopter will climb. Conversely, slow the rotor speed and the helicopter descends.
Collective Pitch helicopters offer more than the fixed pitch style. They can vary the pitch angle at a constant rotor head speed to increase or decrease lift; i.e.: both blades increase or decrease the pitch angle or cyclic pitch and you can move one blade up while moving the other down.
Fixed Pitch vs. Collective Pitch: Which is better?
Fixed Pitch helicopters are the most simple to learn on and use. The Collective Pitch types are the more technically complex; however, they are easier to fly from forward flight to hovering.
Electric helicopters are available in both fixed pitch and collective pitch. Gas (nitro) powered helicopters are available only in collective pitch.
Great Model Heli's to Choose From
Visit either our online or retail store for a nice selection of some of the greatest heli's available today!